Thermoelectric supercapacitors: materials, challenges and future outlook

Sonali Verma, Bhavya Padha, Aamir Ahmed, Rakesh Singh, Deepak P Dubal, Sandeep Arya
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Abstract

Self-powered devices are the most interesting research subject in recent times, focusing on the advancement of the flexible and wearable electronics market. A variety of self-powered systems have been designed using different energy harvesting (solar cells, mechanical as well as thermal energy harvester) and storage devices such as supercapacitors. Environmental degradation, the inadequacy in the supply of existing fossil fuels, as well as fast-rising energy demand have all raised alarm bells for our planet’s long-term viability. To address these challenges, researchers must pursue steadfast studies on urgent needs by using ‘green’ energies such as wind, solar, tidal, mechanical, as well as geothermal sources. Because these green energy resources are intermittent, new energy harvesting as well as storage devices must be designed to keep and distribute the captured energy gradually, efficiently and meticulously. The low-grade thermal energy generally squandered without usage can be particularly beneficial for consistently powering electronic equipment, including sensors and wearable electronics. This review deals with a detailed discussion of the mechanism and fabrication of thermoelectric supercapacitors. The challenges, possible solutions, and the prospects of thermoelectric supercapacitors have also been highlighted.
热电超级电容器:材料、挑战和未来展望
自供电设备是近期最有趣的研究课题,其重点在于推动柔性和可穿戴电子产品市场的发展。人们利用不同的能量收集(太阳能电池、机械能和热能收集器)和存储设备(如超级电容器)设计出了各种自供电系统。环境退化、现有化石燃料供应不足以及快速增长的能源需求都为地球的长期生存敲响了警钟。为了应对这些挑战,研究人员必须利用风能、太阳能、潮汐能、机械能和地热能等 "绿色 "能源,坚持不懈地开展急需研究。由于这些绿色能源是间歇性的,因此必须设计新的能源采集和存储设备,以便逐步、高效、细致地保存和分配所采集的能源。通常被浪费掉的低品位热能可持续为包括传感器和可穿戴电子设备在内的电子设备供电,这一点尤其有益。本综述详细讨论了热电超级电容器的机理和制造。此外,还强调了热电超级电容器面临的挑战、可能的解决方案和前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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CiteScore
18.20
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